Updated: Mar 19, 2026
Location and Projects
Address
Hillsboro, OR, 97123
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Iron Mountain Excavation LLC
Their BuildZoom score of 0 does not rank in the top 50% of Oregon contractors.
If you are thinking of hiring Iron Mountain Excavation LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Iron Mountain Excavation LLC Services
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Iron Mountain Excavation LLC Contact Information
Phone Number: (503) 816-1312
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Building Permits by Iron Mountain Excavation LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Single pdf - personal wireless service facility - wireless tower - application #3 - installing 4 antennas with related equipment on existing wireless facility
Valuation:
N/A
Permit #:
2025-005613-000-00-CO
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Fulton park - rev-01- revision to include ramp down from parking lot and to eliminate a small at-grade pathway; addition a split-rail fence ** complex projectdox review** not single pdf
Valuation:
N/A
Permit #:
2018-274744-REV-01-CO
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
Miscellaneous
Single pdf - personal wireless service facility - wireless tower - application #3 - proposing to modify existing at&t wireless cell tower
Valuation:
N/A
Permit #:
2024-089890-000-00-CO
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Bes - roof strengthening of existing d4 digester
Valuation:
N/A
Permit #:
2023-008046-000-00-CO
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Sw 10th ave & sw harriosn sw 11th ave & sw harrison addition 2 ea 48 diameter strom manhole s in the street section not inside any building
Valuation:
N/A
Permit #:
2020-203842-000-00-PT
Status:
approved
Fee:
N/A
Permit Type:
Addition/alterati...
Building Type:
Commercial/multif...
Singlepdf - gas line for temporary flare system
Valuation:
N/A
Permit #:
2022-178090-000-00-MT
Status:
complete
Fee:
N/A
Permit Type:
Addition/alterati...
Building Type:
N/A
Complaint received. trash debris and non-trash items littering property. trackit 2841786
Valuation:
N/A
Permit #:
2024-084810-000-00-NU
Status:
filed
Fee:
N/A
Permit Type:
Complaint
Building Type:
N/A
Replacement of restroom with portland loo. site improvements include utilities paving & landscaping
Valuation:
N/A
Permit #:
2018-215266-000-00-CO
Status:
complete
Fee:
N/A
Permit Type:
New construction
Building Type:
Recreation
Mechanical single family dwelling
Valuation:
N/A
Permit #:
ME21-1803
Status:
issued
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
2 bathroom single family dwelling
Valuation:
N/A
Permit #:
P21-0703
Status:
issued
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Complaint received. vehicles on unpaved surface
Valuation:
N/A
Permit #:
2024-094060-000-00-CC
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ada pathway improvement work and installation of approximately 180 linear feet of play area sub-drainage conveyance system connecting to existing storm drain pipe remove and replace ewf (engineered wood fiber) stockpiling what is in good condition for reuse excavate and remove existing drainage rock and subdrains inspect and clean existing storm drain pipe to outfall
Valuation:
N/A
Permit #:
2018-274666-000-00-CO
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Ada pathway improvements and whirl installation including whirl foundation and if present drain rock and/or compacted aggregate to a depth of 6.25 below top of curb if concrete or asphalt slab is present preserve and review depth and condition. install durasafe play tiles for 4 fall height
Valuation:
N/A
Permit #:
2018-276398-000-00-CO
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Ada access improvements remove existing whirl and install new including excavate to a depth of 10.25 below proposed finish grade 4 concrete slab over 4 compacted base. install durasafe play tiles
Valuation:
N/A
Permit #:
2018-276439-000-00-CO
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
Miscellaneous
Ada pathway improvements approximately 80 linear feet of conveyance pipe improvements and 48 inch diameter 30 foot deep dry well installation
Valuation:
N/A
Permit #:
2018-276409-000-00-CO
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Value added revision to modular building footing to accommodate existing grades on site
Valuation:
N/A
Permit #:
2016-113354-REV-01-CO
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
Other misc imps
Revision to addition additional blocking detail for alternate footing condition
Valuation:
N/A
Permit #:
2016-113354-REV-02-CO
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
Other misc imps
Ada pathway improvement and play area drainage fabric replacement including remove and replace engineered wood fiber (stockpiling what is in good condition for reuse)
Valuation:
N/A
Permit #:
2018-274737-000-00-CO
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
Recreation
New modular building to be used as office site work including utilities and grading
Valuation:
N/A
Permit #:
2016-113354-000-00-CO
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
Other misc imps
Revision to reweld support beam in new location to avoid conflict with footing
Valuation:
N/A
Permit #:
2016-113354-REV-03-CO
Status:
final
Fee:
N/A
Permit Type:
New construction
Building Type:
Other misc imps
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Iron Mountain Excavation LLC License info
License Not Verified
| License # | 166020 |
| Status | Active |
| State | Oregon |
| Business Type | Sole Proprietor |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Iron Mountain Excavation LLC with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 238417 |
| Status | Inactive |
| State | Oregon |
| Business Type | Sole Proprietor |
- According to the Oregon Construction Contractors Board (CCB), the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Iron Mountain Excavation LLC at the Oregon Construction Contractors Board (CCB).
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PB1458 |
| Status | Inactive |
| State | Oregon |
| Business Type | Sole Proprietor |
- According to the Oregon Building Codes Division, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Iron Mountain Excavation LLC at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 166740 |
| Status | Inactive |
| State | Oregon |
| Business Type | Sole Proprietor |
- According to the Oregon Construction Contractors Board (CCB), the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Iron Mountain Excavation LLC at the Oregon Construction Contractors Board (CCB).
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Iron Mountain Excavation LLC, click “This is My Business” to update your information.
Insured
| Insurer | The Cincinnati Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | 400 Colonial American Casualty Surety Co |
| Bond Value | $20,000 |
Insured
| Workers Comp Provider | Saif Corp |
32
Permits
- Building permit records show that Iron Mountain Excavation LLC has worked on 32 permitted projects.
Iron Mountain Excavation LLC Employees
IL
Iron Horse Excavation Llc
Owner
KL
Kalkhoven, June Lorraine
Member Limited Liability Company
LF
Lorence, Brian Frank
Member (Limited Liab